Ford Mustang Mach E 2021–2022 — technical service bulletin
Bulletin 22B28 · NHTSA communication 10228890 · issued Dec 15, 2022
Technical service bulletin
communication type
Visibility
component
2021–2022
model years
2
vehicle entries
Official summary
Ensure your vehicle is providing optimal output from its heating system, we have developed a software update to improve the heating capability, defrost and defog performance when exterior temperatures are at or below -15C/5F.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.